Todd Gurley takes a swig of milk before venturing outside for a rigorous workout routine... or so it seems. Gurley, along with players like Christian McCaffrey, Jay Ajayi and DeAndre Hopkins, is actually attempting to find the best celebration dance moves to suit his 2018 NFL season while "All Shook Up" by Billy Joel plays. NFL encourages fans to get ready to celebrate and prepare for the 2018 football season that officially begins on Sept. 9.